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61.
Alfonso Molina 《Futures》1997,29(3):193-211
This article examines the key issues facing the emergence of multimedia in the newspaper industry. It looks at the underpinning forces coming from both the newspaper industry and the relentless advance in information and communication technologies. The fast growth in the number of newspapers in the Internet is then examined and the major business issues and dilemmas are discussed in detail. The rise of a variety of alliances bears witness to the need to collaborate to reduce the uncertainty of the multimedia newspaper (ad-)ventures. 相似文献
62.
Output Variability and Economic Growth: the Japanese Case 总被引:4,自引:0,他引:4
Stilianos Fountas Menelaos Karanasos Alfonso Mendoza 《Bulletin of economic research》2004,56(4):353-363
We examine the empirical relationship between output variability and output growth using quarterly data for the 1961–2000 period for the Japanese economy. Using three different specifications of GARCH models, namely, Bollerslev's model, Taylor/Schwert's model, and Nelson's EGARCH model, we obtain two important results. First, we find robust evidence that the “in‐mean” coefficient is not statistically significant. This evidence is consistent with Speight's (1999) analysis of UK data and implies that output variability does not affect output growth. In other words, this finding supports several real business cycle theories of economic fluctuations. Second, we find no evidence of asymmetry between output variability and growth, a result consistent with Hamori (2000) . 相似文献
63.
In this paper, a model of labor contracting with asymmetric information is developed in order to explain the existence of inefficient long working hours. Since firms cannot observe workers' true productivity, they use long working hours as a mechanism to sort productive workers. The model therefore predicts that workers with a high productivity will tend to work inefficient long hours. An empirical analysis confirms this prediction: high-productivity workers are more likely to experience hours constraints in the form of overemployment than low-productivity workers. Moreover, the extent of overemployment is positively related to productivity. 相似文献
64.
65.
In this paper, we assess the long‐term effect of floods on food security (as measured by calorie and micronutrient consumption) by applying an instrumental variable approach to data from the Afghanistan National Risk and Vulnerability Assessment survey. To identify the determinants of this effect, we also estimate how floods affect per capita yearly household income and poverty status. We find that exposure to flooding during a 12‐month period decreased daily calorie consumption by approximately 60 kcal while increasing the probability of iron, vitamin A, and vitamin C deficiency by 11, 12, and 27 percentage points, respectively. Controlling for price shocks and income only marginally reduces this flood effect on food security, suggesting that impaired livelihoods (rather than price hikes) are its primary driver. We further determine that exposure to this natural disaster decreases income by about 3% and makes flood‐affected households about 3 percentage points more likely to be poor. Lastly, we show that experience of floods is strongly and significantly associated with lower diet quality and quantity, and with engaging in consumption smoothing coping strategies, such as buying food on credit and taking loans. These findings underscore the serious direct impact of floods on both diet and effective behavioral responses to such shocks while emphasizing the need for targeted micronutrient supplementation in disaster relief and food aid measures even after the period of natural disaster emergency. 相似文献
66.
Official development aid – monetary transfers to developing countries to promote social and economic development – reached more than $140 billion in 2016. However, traditional forms of government bilateral aid continue to decline, while private aid is rising. Nevertheless, the impact of this aid, including its potential to stimulate economic development through new business formation, remains uncertain. In this study, we examine the impact of three sources of monetary aid flows on formal and informal entrepreneurship. Drawing from the international political economy literature we argue that bilateral aid and private aid are associated with higher levels of informal entrepreneurship, while multilateral aid is accompanied by lower levels. Moreover, we show that bilateral and private aid are linked with lower levels of formal entrepreneurship, while multilateral aid has no impact. The analyses of a panel of 313 observations from 49 countries provide robust support for these arguments. 相似文献
67.
Tiziana D’Alfonso Alberto Nastasi 《Transportation Research Part E: Logistics and Transportation Review》2012,48(5):993-1008
This paper investigates contracts between airports and airlines, in the context of two competing facilities and three types of agreements. The downstream market consists in a route operated by one leader and n ? 1 followers competing à la Stackelberg in each facility. We develop a multistage game where each airport and its dominant airline decide whether to enter into a contract and which one to engage in. We find that the airport and its dominant airline have incentives to collude in each facility. Nevertheless, the equilibrium is not efficient in terms of social welfare: there is a misalignment between private and social incentives. 相似文献
68.
69.
We introduce a new Pareto-type criterion for social welfare functions over infinite utility streams that is not necessarily sensitive to increments in just a finite number of components. We show that there is no social welfare function that satisfies both this criterion and Diamond’s equity condition simultaneously. With our result, we extend the impossibility theorem of Basu and Mitra. Moreover, we show that, even under a weaker version of equity related to Zame’s intergenerational equity condition, the impossibility results are obtained as well. 相似文献
70.
José Fernández-Serrano Vanessa Berbegal Francisco Velasco Alfonso Expósito 《The International Entrepreneurship and Management Journal》2018,14(1):105-127
Entrepreneurship, together with national cultural values, may improve a country’s GDP levels. Under this hypothesis, the aim of this paper is to analyse the relationships between the levels of entrepreneurship, cultural values, and of GDP per capita in a sample of 27 developed countries, by identifying an efficient combination of culture and entrepreneurship variables, under the concept of efficient entrepreneurial culture, that maximises GDP per capita. Through the application of Data Envelopment Analysis (DEA) methodology, nine countries have been identified as having an efficient entrepreneurial culture. The implications derived for policy-makers are substantial, since a better understanding of cultural effects on entrepreneurship can lead to improvements in the design of governmental programmes that foster cultural values related to high-quality entrepreneurship. 相似文献